Archives and manuscripts in libraries
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
London
Library Association
[1964]
|
| Rhifyn: | 2nd ed. |
| Cyfres: | Library Association pamphlet
no. 18 |
| Pynciau: |